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Prevalence of Juvenile Osteochondral Conditions in Yearling Thoroughbred Racehorses in Southern Brazil.
J Equine Vet Sci. 2020 Jul; 90:102997.JE

Abstract

This study aimed to investigate the prevalence of juvenile osteochondral conditions (JOCCs) in yearling Thoroughbred (TB) racehorses in Southern Brazil, as well as to examine the same animals studied as weanlings by Bastos et al. (2017) and compare the radiographic findings for the two ages. Radiographs of 76 male and female TB yearlings from Paraná State, Southern Brazil, were investigated. The proximal interphalangeal, metacarpophalangeal/metatarsophalangeal (MC/MT), tarsal, and femorotibial (FT) joints were evaluated using 24 radiographic projections. The evaluation consisted of a severity index (rated as 0, 1, 2, 4, or 8), the sum of which resulted in an osteoarticular status (OAS) of good, intermediate, or poor for each animal. Radiographs of 92% of the investigated animals presented at least one finding consistent with JOCCs. The most affected region was the tarsal joint (72.9%), followed by the FT (50%), MT (25%), and MC (23%) joints. Thirty-three (43.4%) horses presented a decline in their OAS, whereas nine (11.8%) presented an improvement from the weanling to yearling age. The radiographic findings suggest that JOCCs are frequent in TB yearlings, but the meaning and relevance of these radiographic findings require further study.

Authors+Show Affiliations

School of Life Sciences, Department of Animal Science, Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição 1155, Curitiba, Paraná 80215-901, Brazil.School of Life Sciences, Department of Animal Science, Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição 1155, Curitiba, Paraná 80215-901, Brazil.School of Life Sciences, Department of Animal Science, Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição 1155, Curitiba, Paraná 80215-901, Brazil.School of Life Sciences, Department of Animal Science, Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição 1155, Curitiba, Paraná 80215-901, Brazil. Electronic address: p.michelotto@pucpr.br.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32534774

Citation

Maia, Maiara P M., et al. "Prevalence of Juvenile Osteochondral Conditions in Yearling Thoroughbred Racehorses in Southern Brazil." Journal of Equine Veterinary Science, vol. 90, 2020, p. 102997.
Maia MPM, Weber SH, Bastos LFC, et al. Prevalence of Juvenile Osteochondral Conditions in Yearling Thoroughbred Racehorses in Southern Brazil. J Equine Vet Sci. 2020;90:102997.
Maia, M. P. M., Weber, S. H., Bastos, L. F. C., & Michelotto, P. V. (2020). Prevalence of Juvenile Osteochondral Conditions in Yearling Thoroughbred Racehorses in Southern Brazil. Journal of Equine Veterinary Science, 90, 102997. https://doi.org/10.1016/j.jevs.2020.102997
Maia MPM, et al. Prevalence of Juvenile Osteochondral Conditions in Yearling Thoroughbred Racehorses in Southern Brazil. J Equine Vet Sci. 2020;90:102997. PubMed PMID: 32534774.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence of Juvenile Osteochondral Conditions in Yearling Thoroughbred Racehorses in Southern Brazil. AU - Maia,Maiara P M, AU - Weber,Saulo H, AU - Bastos,Luis F C, AU - Michelotto,Pedro V, Y1 - 2020/03/27/ PY - 2019/10/31/received PY - 2020/03/16/revised PY - 2020/03/20/accepted PY - 2020/6/15/entrez PY - 2020/6/15/pubmed PY - 2020/6/15/medline KW - Equine KW - Horses KW - Joint KW - Osteochondritis dissecans SP - 102997 EP - 102997 JF - Journal of equine veterinary science JO - J. Equine Vet. Sci. VL - 90 N2 - This study aimed to investigate the prevalence of juvenile osteochondral conditions (JOCCs) in yearling Thoroughbred (TB) racehorses in Southern Brazil, as well as to examine the same animals studied as weanlings by Bastos et al. (2017) and compare the radiographic findings for the two ages. Radiographs of 76 male and female TB yearlings from Paraná State, Southern Brazil, were investigated. The proximal interphalangeal, metacarpophalangeal/metatarsophalangeal (MC/MT), tarsal, and femorotibial (FT) joints were evaluated using 24 radiographic projections. The evaluation consisted of a severity index (rated as 0, 1, 2, 4, or 8), the sum of which resulted in an osteoarticular status (OAS) of good, intermediate, or poor for each animal. Radiographs of 92% of the investigated animals presented at least one finding consistent with JOCCs. The most affected region was the tarsal joint (72.9%), followed by the FT (50%), MT (25%), and MC (23%) joints. Thirty-three (43.4%) horses presented a decline in their OAS, whereas nine (11.8%) presented an improvement from the weanling to yearling age. The radiographic findings suggest that JOCCs are frequent in TB yearlings, but the meaning and relevance of these radiographic findings require further study. SN - 0737-0806 UR - https://www.unboundmedicine.com/medline/citation/32534774/Prevalence_of_Juvenile_Osteochondral_Conditions_in_Yearling_Thoroughbred_Racehorses_in_Southern_Brazil L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=32534774.ui DB - PRIME DP - Unbound Medicine ER -
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